Body Mass Index in Mother and Child Dyads and its Association With Household Size and Parents’ Education in 2 Urban Settings of Yucatan, Mexico
2019
Cauich-Viñas, Paulina | Azcorra, Hugo | Rodríguez, Luis | Banik, Sudip Datta | Varela-Silva, Maria Ines | Dickinson, Federico
Overweight/obesity (OW/OB) coexists in mother–child dyads. However, a dearth of evidence on the factors associated with this phenomenon calls for research. To analyze the association of sociodemographic factors with OW/OB in a sample of 260 Maya mother–child dyads from Yucatan, Mexico. During 2011 to 2014, we measured height and weight in children and their mothers and calculated their body mass index (BMI). The OW/OB cutoff points were defined, for mothers, as having a BMI >25 kg/m² and, for children, as having a BMI-for-age >2 standard deviation of the World Health Organization references. Mother–child dyads were grouped according to their BMI status: (1) normal weight mother and child, (2) normal weight mother and OW/OB child, (3) OW/OB mother and normal weight child, and (4) OW/OB mother and child. A multinomial logistic regression model was used to analyze the interrelationships among BMI status in mother–child dyads, household size, and parental education. Overweight/obesity coexisted in 40% of dyads. Compared to normal weight dyads (1), each unit increase in household size and in years of maternal education decreased the risks of the coexistence of OW/OB in mother–child dyads (odds ratio [OR] = 0.72, 95% confidence interval [CI] 0.55-0.94, P = .015; OR = 0.70, 95% CI 0.52-0.94, P = .019, respectively). Conversely, each year increase in paternal education increased the risk for OW/OB in dyads (OR = 1.47, 95% CI 1.08-1.99, P = .015). Results suggest that household size and parental education contribute to shape BMI-based nutritional status in this sample of mother–child dyads.
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